Home / 14,226.28-21,321.06-6,815.32

Finding the Fourth Proportional to 14,226.28, 21,321.06 and 6,815.32

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Solution

The fourth proportional to 14,226.28, 21,321.06 and 6,815.32 is: 10,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.28 : 21,321.06 = 6,815.32 : x
  2. Step 2: Convert to fraction form
    14,226.28/21,321.06 = 6,815.32/x
  3. Step 3: Cross multiply
    14,226.28x = 21,321.06 × 6,815.32
  4. Step 4: Simplify right side
    14,226.28x = 145,309,846.64
  5. Step 5: Solve for x
    x = 145,309,846.64/14,226.28
  6. Step 6: Final answer
    x = 10,214.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.